Right from the get go mate….what would cause the grown up concern is your poor command of the Queens language.
Not meaning to knock your efforts but…if you do have a 3.4u in your tribe…get him/her to proof read your emails.
Fact….all ROV’s fail from time to time…thats why they pay us lot to wrench parade the buggers from time to time.
Did you ever consider the insurance required by the client these days…..might find it a show stopper.
You got inventory for this beast…how bout certs for your container (s) and winch…what seas is it rated for?
Seriously mate…..proof read your post and bounce out off yer Mom before putting out to the industry.
Enjoy
S